EP3951998A4 - Secondary cell system - Google Patents

Secondary cell system Download PDF

Info

Publication number
EP3951998A4
EP3951998A4 EP20785378.9A EP20785378A EP3951998A4 EP 3951998 A4 EP3951998 A4 EP 3951998A4 EP 20785378 A EP20785378 A EP 20785378A EP 3951998 A4 EP3951998 A4 EP 3951998A4
Authority
EP
European Patent Office
Prior art keywords
cell system
secondary cell
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20785378.9A
Other languages
German (de)
French (fr)
Other versions
EP3951998A1 (en
Inventor
Koichi YAMANOUE
Masayoshi Takahashi
Daisuke MAKIO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imasen Electric Industrial Co Ltd
Original Assignee
Imasen Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imasen Electric Industrial Co Ltd filed Critical Imasen Electric Industrial Co Ltd
Publication of EP3951998A1 publication Critical patent/EP3951998A1/en
Publication of EP3951998A4 publication Critical patent/EP3951998A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/22—Balancing the charge of battery modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
EP20785378.9A 2019-04-02 2020-02-12 Secondary cell system Pending EP3951998A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019070526A JP7323745B2 (en) 2019-04-02 2019-04-02 Secondary battery system
PCT/JP2020/005289 WO2020202810A1 (en) 2019-04-02 2020-02-12 Secondary cell system

Publications (2)

Publication Number Publication Date
EP3951998A1 EP3951998A1 (en) 2022-02-09
EP3951998A4 true EP3951998A4 (en) 2022-12-14

Family

ID=72668215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20785378.9A Pending EP3951998A4 (en) 2019-04-02 2020-02-12 Secondary cell system

Country Status (5)

Country Link
US (1) US20220158461A1 (en)
EP (1) EP3951998A4 (en)
JP (1) JP7323745B2 (en)
CN (1) CN113454830A (en)
WO (1) WO2020202810A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160336736A1 (en) * 2013-12-24 2016-11-17 Kabushiki Kaisha Toyota Jidoshokki Method for detecting an abnormality in a relay
US20170324257A1 (en) * 2014-10-23 2017-11-09 Kabushiki Kaisha Toyota Jidoshokki Power supply apparatus, protection apparatus, and protection method
US20180219391A1 (en) * 2017-01-31 2018-08-02 Fujitsu Ten Limited Electric storage apparatus and electric-storage controlling method
EP3360719A1 (en) * 2017-02-09 2018-08-15 Samsung SDI Co., Ltd Dual power supply system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4244531B2 (en) * 2001-05-11 2009-03-25 株式会社デンソー Control method for power supply device for multiple voltage output type vehicle
JP2011072153A (en) * 2009-09-28 2011-04-07 Sanyo Electric Co Ltd Vehicular power supply device, vehicle equipped with the same, and method for equalizing capacity of power vehicular supply device
US8928283B2 (en) * 2009-10-14 2015-01-06 Fdk Corporation Electricity storage system having a plurality of series-connected storage cells
JP5143185B2 (en) * 2010-02-08 2013-02-13 三洋電機株式会社 Power supply
TWI431896B (en) * 2011-04-15 2014-03-21 Simplo Technology Co Ltd Battery balancing circuit and balancing method thereof and battery module activating method
US9496739B2 (en) * 2011-12-16 2016-11-15 Electrochem Solutions, Inc. Balancing discharge in parallel battery configurations
JP2013219994A (en) * 2012-04-12 2013-10-24 Toyota Industries Corp Battery equalization device and method
JP2013247690A (en) * 2012-05-23 2013-12-09 Toyota Industries Corp Voltage equalization device
JP5892024B2 (en) * 2012-10-01 2016-03-23 株式会社豊田自動織機 Power supply device and battery module switching method
JP2015015777A (en) * 2013-07-03 2015-01-22 ソニー株式会社 Power storage device and control method power storage device
CN105324274B (en) 2013-07-31 2017-08-25 三洋电机株式会社 Automotive power supply system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160336736A1 (en) * 2013-12-24 2016-11-17 Kabushiki Kaisha Toyota Jidoshokki Method for detecting an abnormality in a relay
US20170324257A1 (en) * 2014-10-23 2017-11-09 Kabushiki Kaisha Toyota Jidoshokki Power supply apparatus, protection apparatus, and protection method
US20180219391A1 (en) * 2017-01-31 2018-08-02 Fujitsu Ten Limited Electric storage apparatus and electric-storage controlling method
EP3360719A1 (en) * 2017-02-09 2018-08-15 Samsung SDI Co., Ltd Dual power supply system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020202810A1 *

Also Published As

Publication number Publication date
US20220158461A1 (en) 2022-05-19
JP2020171107A (en) 2020-10-15
JP7323745B2 (en) 2023-08-09
CN113454830A (en) 2021-09-28
EP3951998A1 (en) 2022-02-09
WO2020202810A1 (en) 2020-10-08

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DAV Request for validation of the european patent (deleted)
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A4 Supplementary search report drawn up and despatched

Effective date: 20221115

RIC1 Information provided on ipc code assigned before grant

Ipc: H02J 1/08 20060101ALI20221109BHEP

Ipc: H02J 7/00 20060101AFI20221109BHEP